Hodgdon Powder Co., distributors of Hodgdon, IMR, and Winchester powders, says that: The new IMR Enduron Technology powders will be available at dealers in early 2015 in 1-pound and 8-pound containers. For more information and Enduron LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. ARCHIVED. works great in many cartridges with good to great accuracy. ), AR Issue 2022 Gun & Gear Giveaway Contest, Editors Choice Gun & Gear Giveaway Contest, Fall Hunting 2021 Gear & Giveaway Contest, Defensive Handgun Gun & Gear Giveaway Contest, Defensive Handgun Issue Gun & Gear Giveaway, The Hunter to the Hunted: Savage Arms Introduces New 110 Carbon, Wilson Combat 300 HAMR Barrel Conversion, 2022 Editors Choice Award Winning SIG Sauer P322 .22LR, 2022 Editors Choice Award Winning Savage Mo. Key: Admin , Global Mod , Mod RR2/3-22 UDG-IP Villain Weapon Systems ATPIAL-C EFL -- Enhanced Class 3R Performance Available Now from TNVC! Share the post "Guide to IMRs Enduron Powders What You Need to Know", Powder Valley Inc. (PVI) now has the new IMR 4166 powder. For a better experience, please enable JavaScript in your browser before proceeding. * All prices incl. CL 2.005 var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; When I approached Chris Hodgdon with the question Does it stop copper from fouling or remove it with each shot? with a smirk he responded Its a proprietary formula. forum.accurateshooter.com/threads/imr4166-loads-for-223.4053707/, Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36. Improved Military Rifle IMR 4166 Improved Military Rifle IMR 4320 Improved Military Rifle IMR 4350 Improved Military Rifle IMR 4451 Improved Military Rifle IMR 4831 Improved Military Rifle IMR 4895 Improved Military Rifle IMR 8208 XBR Improved Military Rifle SR 4759 Ramshot Big Game Ramshot TAC Ramshot X-Terminator Shooters World AR PLUS If you enjoy the forum please consider supporting it by signing up for aNES Membership The benefits pay for the membership many times over. First load. Precision shooters will find an Enduron option well-suited to most popular precision cartridge types. This helps attain low ES/SD in velocity and pressure, which translates to improved long-range accuracy and tight verticals. You can see Hodgdon H4350 had the least variance in muzzle velocity, with just 25 fps over the 115 swing in temperature! The 4166 seemed interestingit matched my motorcycle jacket, but none of my reloading manuals had any data for it (it's that new). It acts a whole lot like Varget, but is much easier to find. it's a bit bulky when pouring into the 223 case. Perhaps the new IMR 4166 will be as good or better. Some of our Forum members have reported excellent results with IMR 4166 in cartridges that work with Varget, such as the 6mmBR, 6 Dasher, 6.547 Lapua, and .308 Win. OAL 2770 Sierra Case OAL 2770 Sierra Case Please help us to improve and report any suggestions via our contact form. of 4166 in Peterson SRP brass topped with 168 gr SMK's seated 0.010" off gave me great performance. spitzer boat tail & imr 4166, 223 80 gr bullet imr 4166, 223 load with imr 4166, 243 barnes 80 gr ttsx imr 4166 load data, 243 barnes 80gr ttsx imr 4166 load data, 243 barnes ttsx with imr 4166 load data, 243 barns ttsx with imr 4166 . IMR 4166 possesses the fastest burn rate in the Enduron lineup. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. The Hodgdon powder company is world renowned for introducing revolutionary technology to the reloader. Whether a rifle is sighted in during the heat of summer, hunted in a November snowstorm or hunting multiple locations with drastic temperature swings, point of impact with ammunition loaded with Enduron technology will be very consistent. First load. IMR offers a modern line of powders with Enduron Technology which is also marketed to have extreme temperature stability. Give it a try if you've already purchased it. Posted by Christopher Brown on Apr 19th 2022. Sounds familiar! ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. Anyone seen/tried this combo? IMRs press release states: IMR 4166 [has] a perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more.. It is available right now at Midsouth Shooters and Powder Valley in both one-pound and 8-pound containers: For more information and LOAD DATA visit IMRpowder.com and navigate to the Hodgdon Reloading Center. Other than that , great job, thanks. I went online and found data published by the manufacturer, so I worked with that for my 30 06. Load data for the new IMR 4166 was taken from Hodgdons 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166. Find load data for IMR 3031 propellant by clicking the button "Loads for this Powder".More about this powder:A medium burn speed propellant with many uses, IMR 3031 has long been a favorite of 308 Match shooters using 168-grain match bullets. I paid $159.00 for 8# Varget at Shooters last time I was up there. It is primarily a pistol powder but has some application in rifles. IMR 4166 was released a few years ago as a temperature insensitive powder that is expected to replace 4064. FPS low 2735 high 2789 We do not take backorders and our Tech Services team cannot take orders via email or phone. Love the copper fouling eliminator makes cleaning a breeze. Bullets ranged from 50- 77 grain , same bullets shot very well with Varget anf H4895 . Varget was always my go-to powder for .308 and .223, but anyone who reloads knows that Varget is virtually unobtainable now. .45 ACP and .38 Super, while their rifle offerings range from .223 Remington to .30-06 Springfield. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Fired from My Rock River Arms National Match upper, these rounds consistently fetch accuracy in the .75 to 1.25 MOA area. It is formulated to reduce fouling and to be stable across a wide temperature range. Please help us to improve and report any suggestions via our contact form. This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, .264 Win Mag, 28 Nosler and .300 Rem Ultra Mag, among other cartridges. Most powders arent specially formulated to be temperature stable. IMR 7977 is a slower burn rate in the Enduron family. For those who ask.I am obviously loading for a 556 NOT a 223. otherwise why mention I would be using only cases marked as 556! 5 rounds shot This is a true magnum propellant yielding outstanding performance in 6.5-300 Weatherby, 264 Win Mag, 28 Nosler and 300 Rem Ultra Mag, among other cartridges. At 600 yds, the POI with 4166 loads was about 1.2 MOA higher than when using 43.2 gr. Shop Now ! Sierra load data for over 95 Berger bullets in over 65 calibers with all suitable powders on the market. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. Precision shooters will find an Enduron option well-suited to most of the popular precision cartridge types. The weight of a kernel of 4166 was almost double the weight of a kernel of H4895, and they were clearly larger. 17 reviews. We continue to prioritize our shipments to our traditional sales channels to maximize powder availability at retailers. Then Try IMR 4166 Powder, Powder Temp Stability IMR Enduron vs. H4350 and Varget, http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Powder Temp Stability: IMR Enduron vs. Hodgdon Extreme, Guide to IMRs Enduron Powders What You Need to Know, Powder Valley has new IMR 4166 Powder in Stock, IMR Introduces New Enduron Powders: 4166, 4451, 7977. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Find load data for IMR 8133 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 8133 is the slowest burn rate in the Enduron family. I didn't want to like this stuffI figured I was likely buying marketing hype for $31/lb at my LGS. This demand lead to an incredible 2.5 billion pounds of smokeless propellants being manufactured by DuPont for Allied Forces in World War II. temperature stable too. Find load data for IMR 4451 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4451 is a versatile, match-grade propellant with a mid-range burn speed in the Enduron line. OK, we're down to 1/3 MOA with a bit more to go. IMR 4955 is a medium burn speed powder, falling in between IMR 4451 and IMR 7977 in burn speed. Or maybe have QuickLoad data? You can find that here: http://precisionrifleblog.com/2016/06/19/powder-temp-stability-hodgdon-extreme-vs-imr-enduron/, Share the post "Powder Temp Stability IMR Enduron vs. H4350 and Varget". More about this powder: IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. When we are sold out, we are sold out. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; _gaq.push(['_trackPageview']); The 6.5 responded well to the precisely weighed powder charges in carefully prepared cases. Weve been quite pleased with IMR 8208 XBR as a Varget alternative. Powders include IMR Loads case to bottom of bullet, clean burning, very consistent, accurate results with no flyers, flows thru powder measure with a. Trim to length as needed, clean/uniform the primer pockets, reprime, charge with powder, verify powder charges, seat bullets to specific overall length, perform final inspection, box, and label. Anyway, I like the 4166! 44gr 4166 It is an extruded powder and provides top performance for big game cartridges like 25-06, 270 Winchester, 280 Remington and 300 Win Mag, among other cartridges. spitzer boat tail & imr 4166, .223 rem. The main features of the Enduron series are copper . the accuracy is the same as varget but the velocity is a bit higher with a couple of 10ths less powder. IMR 7977 is comparable to Hodgdon H1000. Loading density is perfect for magnums. The components in question make up my service rifle load in .223 and they are Hornadys 55 grain V-max bullet seated into a Lake City brass case at an OAL of 2.270 and ignited with a Wolf Small Rifle Primer. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); If this is true, these powders should prove popular, particularly IMR 4166 which seems to be in the Varget/Reloder 15 burn-rate range. When placed and configured optimally, the LabRadar can measure muzzle velocity with +/- 0.1% accuracy, according to the manufacturer. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Was able to find a node fairly quickly and with a little seating adjustment, it's shooting .3 moa or better. Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy. For a better experience, please enable JavaScript in your browser before proceeding. IMR is an acronym for Improved Military Rifle. I can imagine you might have a little more difficulty with case volume and fill ratio due to kernel size. So they would likely show much larger swings than what these four top-performing powders showed. Where to Find IMR 4166 Powder 4451 is the medium burning powder, for medium cartridges like the .30-06 Springfield and the .270 Winchester. when enduron works it is often same hole shooting. Hodgdon Extreme Series powders have attracted quite a fan base, with over 90% of the top shooters in the Precision Rifle Series choosing to run one of those powders. Not a brand to rest on its laurels, IMR continues to develop new powder formulas that are increasingly insensitive to weather and temperature changes, have improved burn speeds, and contain additives that remove copper bullet jacket fouling. The IMR 4166 shows loads for a 69 hpbt. this stuff is not affected temp at all. Reloading 223 Rem./5.56mm is mostly the usual routine. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance. Copper fouling should be minimal, allowing shooters to spend more time shooting and less time cleaning a rifle to retain accuracy. I have a pound of 8208 XBR for 223 development, haven't gotten round tuit yet. Posted: 7/2/2021 8:19:25 PM EST. A versatile, match-grade propellant, IMR 4166 is comparable to Hodgdon Varget. This is a true magnum propellant yielding outstanding performance in 300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, among other cartridges. Most powders arent specially formulated to be temperature stable. However, to up the ante the Enduron line also utilizes copper fouling reducing technology to help keep your bore free of the hard to remove copper. ga.src = ('https:' == document.location.protocol ? Enduron powders are formulated to reduce fouling and to be stable across a wide temperature range. IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Reloading for 223/556 Service Rifle Competition (NRA/CMP bullseye . For example, IMR 4166 is a good replacement for Hodgdon Varget (commonly used in the .223 Rem, 6mmBR and .308 Win), while IMR 4955 is a fine substitute for H4831 (favored by F-Open shooters for the .284 Win and 7mm WSM cartridges). In another study, IMR 4166 was identified as the best replacement for Varget between 61F and 103F for .308 F-TR rifles. When we are sold out, we are sold out. The Enduron Technology powders are available in one-pound (1 lb) and eight-pound (8-lb) containers from quality reloading retailers. I hope to get some time on the new bull barrel AR. Shooters will find IMR 8208 XBR yields max velocities and 'tack driving' accuracy. Its loading density is perfect for magnum cartridges and contributes to superb uniformity, yielding outstanding performance in 300 Winchester Magnum, 7MM Remington Magnum and .338 Lapua Magnum. .1 to .2 gr accuracy. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Share the post "Guide to IMR Enduron Powders: 4166, 4451, 4955, 7977, 8933". Find load data for IMR 4831 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4831 has a slightly slower burn rate speed than IMR 4350. The initial heat condition of your powder will affect the burn rate, Bryan Litz explained at a recent Applied Ballistics Seminar. This propellant performs comparably to Hodgdon Varget but charge weights are materially different. Across the board, the Enduron line is very insensitive to temperature changes, which is important for both match shooters and hunters. This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828. The illuminated reticle made it very easy to see on the black target, and honestly was the first time I have ever had used the feature (now it may be hard to go back). Hodgon VARGET, IMR 3031, IMR 4064, IMR 4166 Enduron, IMR 4831, IMR 4895, Lovex D073.6, Lovex S060, . When I hit that node It's going to be great. On the official Hodgdon/IMR burn rate chart, IMR 4166 is between H4895 and Varget. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. 3, tried this powder and same bullet in the grandson's Ruger77 .223. Comprehensive load data for IMR 4166 Enduron reloading powder und technical specifications for this propellant. I'm very happy with this powder. IMR now offers four Enduron powders that cover a broad range of burn rates. I tried 4166 and my groups opened up. [ARCHIVED THREAD] - IMR 4166 .223 Rem. It is equally effective in small-capacity varmint cartridges from 223 Remington to 22-250 Remington, and it's a great 30-30 Winchester powder. Past breakthroughs have brought us the extreme extruded line that gives consistent performance regardless of ambient temperature, and more recently they have brought us CFE technology that deters and reduces copper fouling. In modern type guns, 4166 IMR Enduron Powder is a viable powder. Powder Valley Inc. (PVI) and Midsouth Shooters both have plenty of IMR 4166 in stock right now. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Site Notices. Thats because a change in temperature can affect the trajectory or flight path of the bullet in two well-known ways: 1. The new powder line-up comes in three flavors: 4166, 4451 and 7977. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. h4895 Reduced Rifle Load. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. Find load data for IMR 8208 XBR propellant by clicking the button "Loads for this Powder".More about this powder:IMR 8208 XBR is an accurate-metering, super short-grained extruded rifle powder was designed expressly for match, varmint, and AR sniper cartridges. This powder is comparable to Hodgdon H4350. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. 2. Then Try IMR 4166 Powder", A couple seasons back, PrecisionRifleBlog.com (PRB) published a significant field test of powder temperature stability. 44gr 4166 Finally, Enduron powders are environmentally-friendly, crafted from raw materials that are not harmful to the environment. Or maybe have QuickLoad data? This ensured the powder charges were identical for each round of ammo. So far IMR4166 has worked great for me in the .243 Winchester with light bullets, the .257 Roberts with 75-100 grains bullets, .308 Winchester with 150's and 168's, the .303 British, 8x57 and .45-70 with "low pressure" loads. Cant Find Varget for Sale? Really like this powder, the accuracy it produces is amazing I will lots more if I can find it. This Enduron series powder is temp-stable and accurate. The test was designed to quantify the temperature stability of Hodgdon H4350 and Varget powders compared to IMRs Enduron line of powders, specifically IMR 4166 and 4451. This powder is comparable to Hodgdon H4350. Sign up to get updates and access to exclusive promotions. Being a short-grain extruded powder it can be dumped from a powder measure; however I always opt to use a dispenser like the Hornady Auto charge. Third, Enduron powders are designed for optimal load density. CLICK HERE to Read Full Powder Temperature Stability Test on Precision RifleBlog.com. Share the post "Cant Find Varget for Sale? For this reason, the IMR brand powders truly are Legendary products. These new powders should compete directly with the Hodgdon Extreme Series, which gives shooters more temp-stable powder options to consider. The rifle was placed on the 50 yard line and supported both fore and aft by sandbags. CL 2.005 It provides top velocities and performance with heavier bullets in medium-sized magnums. Grab some at your nearest dealer, or for more information, contact IMR Powder Company; Tel. This propellant is ideally suited for many mid-range burn speed cartridges. Sep 25, 2010 . Load . The results were very interesting, to say the least. IMR 4166 powder? Once they had a couple dozen rounds loaded with each powder, they went and shot them with each powder at 25 F, 65 F, and 140 F. The muzzle velocity of each shot was recorded using BOTH a LabRadar Doppler Radar and a MagnetoSpeed Chronograph. Naturally the next step was to combine the two for a new line of powders. By that, they mean the change per degree from 20 to 65 might be smaller or larger than the change per degree from 65 to 140. New customer? Clean and inspect the cases, lube and full-length resize/decap, clean, and inspect them again. The kid's rifle didn't like this powder, but perhaps yours may. If you commonly use Varget, Alliant Reloder 15, Norma 203B, IMR 8208 XBR, or Vihtavuori N140, you might want to try IMR 4166. bolt reload data with 65 gr. This powder is comparable to Hodgdon H4831. IMR 4166 is one of the new Enduron family of propellants. You are using an out of date browser. An acronym for. Environmentally friendly - Enduron technology is environmentally friendly, crafted using raw materials that are not harmful to the environment. Importantly, it seems to be a good substitute for unobtanium Varget powder. IMR 4166 is one of IMRs Enduron family of propellants. for 223. Some powders are more affected by changes in temperature than others. Between 1/3 and 1/2 MOA for 5 shot groups at 200yd. Assuming all other environmental conditions remain the same, an increase in air temperature will cause a flatter trajectory due to a lower air density (easier for the bullet to cut through the air). Re: IMR 4166 in .223. IMR 8133 IMR Enduron 8133 is the slowest burn rate in the Enduron family. JavaScript is disabled. It is the perfect burn speed for cartridges such as .308 Win, 7.62mm NATO, 22-250 Rem and 257 Roberts. SUBSCRIBE TO OUR NEWSLETTER TO STAY UP ON THE LATEST. .223 Rem. Such loads are marked with an asterisk in the data to show where standard 7828 will not fit. In 2015, IMR will introduce three (3) new Enduron powders: IMR 4166, IMR 4451, and IMR 7977. We do not take backorders and our Tech Services team cannot take orders via email or phone. var _gaq = _gaq || []; Find load data for IMR 4166 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. Temperature change stability the Enduron line is insensitive to temperature changes. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. Plain cartridges, in contrast, turned in an average extreme spread of 51 fps. These new powders should compete directly with the Hodgdon Extreme Series, which gives shooters more temp-stable powder options to consider. It is expected to perform well in the .308 Winchester and in 6mm cartridges running the heavier (95-107gr) projectiles. IMRs press release provides these descriptions of the new Enduron propellants: IMR 4166 is the first in the series of Enduron propellants. Shooters has been keeping it around $20/lb if you buy in quantity. .308 Winchester (IMR-4166 Data) Warning! .225 Win. I live in florida and shoot the same load all year. ALL THE LOAD DATA YOU'LL EVER NEED ALL IN ONE PLACE! Find load data for IMR 7828 SSC propellant by clicking the button "Loads for this Powder".More about this powder:IMR 7828 SSC is a magnum rifle powder with exactly the same burn rate as standard IMR 7828 and uses the same data. Share the post "IMR Introduces New Enduron Powders: 4166, 4451, 7977". These are the first groups with this powder. Reviews can only be submitted while being logged in. First, these powders all feature chemistry that reduces copper fouling. For example, variation in velocity does NOT appear to be linear across the full range of temperatures. Case: Winchester; Twist: 1:12 inches; Primer: Federal 210M, Large Rifle Match; Barrel Length: 24 inches; Trim Length: 2.005 inches. It is available right now at Powder Valley in both one-pound ($25.45) and 8-pound ($182.75) containers: IMR4166-01: IMR 4166 1 LB. Subscribe to the free newsletter and do not miss any news or promotions. PRBs testers explain the full set of equipment and steps in their loading process in the Full Test Report. VAT (where applicable), shipping costs and possible delivery charges. Final diagnosis: This powder is certainly a winner in the accuracy field, and if the cleanup continues to be this simple it is sure to find a home on my reloading bench. For more information, go towww.P65Warnings.ca.gov. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. That means swings in ambient outside temperature can affect your internal ballistics, which will directly affect your muzzle velocity, which will change your bullets trajectory. The technology in IMRs Enduron line of powders provides four very important qualities that enhance both in-gun and downrange performance. var _gaq = _gaq || []; Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25 F and 140 F. IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. First ladder turned out great! The manual allows for stiffer charges, but at 25.1 the load begins to compress. Minuteman. View Product Warning DEALER LOCATOR IMR 7977 is the slowest burn rate Enduron Technology powder. Sounds familiar! . worst groups at .5 moa most groups around the .3 moa mark. This is a true magnum propellant yielding outstanding performance in .300 Winchester Magnum, 7mm Remington Magnum and .338 Lapua Magnum. I hope to get to .5 moa consistently anything better will be nice. Very consistent velocity, quality powder, not so good on powder throw due to it being a stick powder. IMR 4166 possesses the fastest burn rate in the Enduron lineup. * All prices incl. IMR Legendary Powders now offers four (4) Enduron powders: IMR 4166, IMR 4451, IMR 4955, and IMR 7977. Anyone seen/tried this combo? In 2003, Hodgdon Powder Company acquired the IMR brand bringing these prestigious powders under the umbrella that also includes Hodgdon, Winchester and GOEX. IMR 4166 is an extruded stick powder. Being one of the easiest people in the industry to talk to, a secret this guarded certainly sparked my curiosity, so I made sure to order a test sample. Is there a different load data site? FPS low 2735 high 2789. Access from your Country was disabled by the administrator. IMR is bringing out a new series of advanced-formulation extruded powders. The maxorder quantity of any powder SKU is, https://shop.hodgdon.com/sites/www/files/2022-04/2022-IMR%20Endurons%20SDS.pdf, https://shop.hodgdon.com/sites/www/files/2020-08/sell-sheet-imr-enduron-final.p. Learn more about Enduron powders at www.enduronimr.com. Choose from a variety of powders for everything from small-caliber ammo to magnum rifle cartridges in both 1 lb canisters and 8 lb jugs. For info on other IMR powders, visit www.imrpowder.com. The IMR 4166 Powder may be on the slow side but will be interesting with heavier bullets. Will purchase more. IMR 4451 is a mid-range burn speed powder, ideally suited for cartridges such as .270 Winchester, .30-06 and 300 Winchester Short Magnum. This is an all-new extruded powder with a burn rate similar to Hodgdon Varget. For more information and IMR 4166 LOAD DATA visit imrpowder.com or check the 2015 Hodgdon Annual Manual. The new line of IMR Enduron powders feature small kernels for easy metering, plus a built-in copper fouling eliminator. (see note 1 ). UPS has officially stopped shipping guns? Find load data for IMR 4064 propellant by clicking the button "Loads for this Powder".More about this powder:IMR 4064 is a medium-range burn speed powder and is one of the most versatile propellant in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Short Magnum, 308 Winchester, 338 Winchester Magnum, and the list goes on and on. Shooters looking for readily-available alternatives to hard-to-find extruded powders should definitely check out the Enduron line-up. Moving on, the individual loads were fired and the barrel was allowed to cool between each group. Find load data for IMR 7977 Enduron propellant by clicking the button "Loads for this Powder".More about this powder:IMR Enduron 7977 is a slower burn rate in the Enduron family. _gaq.push(['_trackPageview']); You may not reproduce original text or photos without advanced permission in writing. IMR now offers five (5) Enduron powders: IMR 4166, IMR 4451, IMR 4955, IMR 7977, and IMR 8133. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. The IMR brand was first introduced under DuPont in the 1930s. It may not display this or other websites correctly. Taking the rifle back to the workbench for a cleanup proved the claimit had virtually no copper fouling, as proven by the absence of a blue hue in the exiting patch soaked in Sweets 7.62 bore solvent. Reloading 223/ 5.56 for the AR-15 with IMR 4166 30-06JOHN, GUNS AND RELOADING 1.86K subscribers 2.8K views 1 year ago I reload .223/ 5.56 for the AR-15 using a powder not popular, IMR. Below you will see today's round robin from 45.0 to 46.4 grains of 4166. To me that says Gebby got it right long ago. _gaq.push(['_setAccount', 'UA-6323545-2']); I've had good luck with 8208 with 77gr SMK's and 69gr Nosler Competition Customs Hoon Rating - 100% 1 0 0 Joined Mar 2, 2013 Messages This propellant performs comparably to Hodgdon H4831 but charge weights are materially different. The Enduron Technology powders are available in one-pound (1 lb) and eight-pound (8-lb) containers from quality reloading retailers. Load data for the new IMR 4166 was taken from Hodgdon's 2015 Annual reloading manual, and in increments of .3 grains or less, loads were worked up from 24.0 through 25.1 grains of IMR 4166.